linux-ext4 - Re: [PATCH, RFC 2/2] ext4: Convert instrumentation from markers to tracepoints

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Message-ID: <20090413101456.GA4716@infradead.org>
Date:	Mon, 13 Apr 2009 06:14:56 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	Theodore Ts'o <tytso@....edu>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH, RFC 2/2] ext4: Convert instrumentation from markers to
	tracepoints

On Mon, Apr 13, 2009 at 12:29:10PM +0530, Aneesh Kumar K.V wrote:
> We moved all the ext4 headers to fs/ext4/  Can this be
> fs/ext4/ext4_trace_types.h ?

With the current event tracer in mainline those files get included
into kernel/trace/events.o so it is required to be global.  Steve
has some patches in his queue to allow TRACE_EVENT to work in
modules which losens that requirement.  Last time I talked to him
he still wants to have the headers in include/trace/ as a policy
but I hope we can get away from that.

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